Chapter 15 Outline

Comparative Development and Evolution

Gene Regulation

  • Hox genes and the genetic toolkit

Developmental-Genetic Bases of Phenotypic Evolution

  • Evolution by cis-regulatory mutations
  • Evolution by trans-regulatory mutations

  • Overview: The genetics and development of phenotypic evolution

Evolvability and Developmental Pathways

Constraints on Adaptive Evolution

Phenotypic Plasticity and Canalization

  • Does phenotypic plasticity contribute to evolution?